Question 96

$$(a - b)^2 + 2ab$$ = ?

Solution

Share

$$(a - b)^2 + 2ab$$ 

$$a^2+b^2-2ab+2ab$$

$$a^2+b^2$$

Create a FREE account and get:

  • Download RRB Study Material PDF
  • 45+ RRB previous papers with solutions PDF
  • 300+ Online RRB Tests for Free